What does an allergic reaction to warfarin look like?
A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.
What medications are sensitive to sunlight?
What medications make you sensitive to sunlight?
- Antibiotics (ciprofloxacin, doxycycline, levofloxacin, tetracycline, trimethoprim)
- Antifungals (flucytosine, griseofulvin, voriconazole)
- Antihistamines (cetirizine, diphenhydramine, loratadine, promethazine, cyproheptadine)
How would I know if I am taking a medication that is photosensitive?
How do I know if my photosensitive reaction is drug-induced? If a medication is the suspected cause, diagnostic tests, including phototesting, photopatch testing and clinical rechallenge can be completed to determine if the burn was secondary to a photosensitive reaction.
How long does a Photoallergic reaction last?
These plaques, which are itchy, typically appear 30 minutes to several hours after sun exposure. However, new patches may develop many hours or several days later. The eruption usually goes away within several days to weeks.
Can warfarin cause skin discoloration?
These blood clots cause interruption in blood supply to the skin, resulting in necrosis. The general progression of warfarin-induced skin necrosis is as follows: pain and erythema; petechial hemorrhages; red, purple, blue, or black discoloration; necrosis; and hemorrhagic blisters and/or bullae.
What is a common side effect of warfarin?
The main side effect of warfarin is bleeding. While the risk of major bleeding is low, you need to be aware of potential problems. For example, you might have trouble stopping the bleeding from a cut on your hand or a nosebleed. More-serious bleeding may occur inside the body (internal).
Does warfarin cause photosensitivity?
The cutaneous complications of warfarin therapy include ecchymosis and purpura due to an excessive anticoagulant effect, photosensitivity, maculopapular vesicular urticarial eruptions, purple toes syndrome, skin tissue necrosis, and vasculitis.
What are the symptoms of sun sensitivity?
Symptoms of sun sensitivity are similar to those of a sunburn, and may include:
- A stinging and burning sensation.
- Rash.
- Redness.
- Pain.
- Blisters.
- Inflammation and swelling.
- Itching.
- Darkening of the skin.
Why is my skin suddenly sensitive to the sun?
A photoallergic reaction can develop one to three days after exposure to the sun and the photosensitizing substance. It occurs when the body’s immune system recognizes changes caused by sun exposure as a foreign threat. The body produces antibodies and attacks, causing a reaction.
What does PMLE look like?
Polymorphous light eruption, also known as polymorphic light eruption, is a rash caused by sun exposure in people who have developed sensitivity to sunlight. The rash usually appears as red, tiny bumps or slightly raised patches of skin.